Right now it's free -- but it can change quickly. There are 2 review -- 1 bad and 1 good. I do not have my iPad with me to look at the book myself. Since it's free, get it and if it's lame, just ...

Afterschool Universe is a hands-on astronomy program targeting middle school settings outside regular school hours. It explores basic astronomy concepts through hands-on activities and focuses on a ...

PHYSICS 16: “The Origin and Development of the Cosmos,” taught by Risa Wechsler, cosmologist and researcher at SLAC, offers students an introduction to the physics principles that govern the universe.

Afterschool Universe is a hands-on astronomy program targeted at middle school out-of-school-time settings. It explores basic astronomy concepts through hands-on activities and focuses on a journey ...